Bolting-reel



P. FERRIER.

(No Model.)

BOLTING REEL.

No. 319,572. Patented June 9, 1885.

NITED IA'IENI rrrcn.

FRANCIS FERRIER, OF VALLEJO, CALIFORNIA.

BOLTlN-G-REEL.

SPECIFICATION forming part of Letters Patent No. 319,572, dated June 9, 1885.

Application filed January 24, 1885. (No model.)

To all whom it may concern:

Be it known that I, Frmnors FERRIER, of Vallejo, county of Solano, and State of California, have invented an Improvement in Bolting-Reels; and I hereby declare the following to be a full, clear, and exact description thereof.

My invention relates to a new and useful bolting-reel for screening, bolting, or sifting any substance, and particularly to that class of sieves used in bolting flour, and known as flour-bolt reels.

My invention consists in the combination of devices hereinafter described and claimed.

Referring to the accompanying drawings,

Figure 1 is a perspective view of my reel, showing the corrugated sifting-surface. Fig. 2 is a detail showing the means for longitudinally stretching the silk.

I have herein illustrated my invention by showing a flour-bolt reel, which, while fully exemplifying the corrugated sifting-surface, also shows its application to the use for which it is more particularly intended.

A are bearings, in which is mounted the shaft 13, having radial arms I), which support the ribs C, over which the silk D is secured. Ordinarily the silk is stretched taut over the ribs, forming a polygonal reel,and it is secured to the ribs by means of ticking tacked down to them, whereby the silk is prevented from tearing; but the surface of the silk is straight and flat, and as its meshes are continually clogging up a brush, working automatically or by hand, plays over its surface to keep the meshes open.

It will be observed that instead of stretching the silk tightly over the ribs I corrugate it in longitudinal parallel lines. This is ac complished by means of corrugated hoops E, secured upon the ribs, and the sinuosities of whose contour the silk is made to follow.

I may secure the silk to the ribs either by a second corrugated hoopsuch as F-lying upon the hoops E, and binding the silk between itself and the lower hoop, or by a plain hoop such as Gr-b6l3W66I1 which and the inner hoop are placed blocks H, of some yielding or elastic material, which press the silk down into the depressions of hoops E.

In any shaking or moving sleve, and especially in a rotating one, where the sifting ma terial is of a flexible or partially flexible character-such as the silk here described, or wire made into a screen-the effect of the corrugated surface is to produce a vibration, partial though it may be, in each corrugation, which will keep the mesh open. Thus, in the flourbolt reel, the material being constantly elevated by the rotation of the reel falling upon and off the corrugations, keeps these in a state of vibration, which shakes out the clogging particles. Each corrugation is thus made to shake itself, as it were, and keep its meshes open. No brush is needed for this purpose. Then, again, in flour-mills where the reels are very large and the available space small, the more sifting-surface which can be had upon the reels increases their capacity.

By corrugating the silk, as I have shown, it is obvious that I use more silk, and therefore have an increased sifting-surface, without appreciably taking up more space.

The corrugations need not be perfectly eurvilinear. They may be angular, large or small, sharp or rounded. Nor need they in all cases be longitudinal, as they may be arranged spirally, transversely, or at an angle.

The hoops E, instead of being secured directly to the ribs, are preferably secured to sliding blocks I, operated by bolts J, seated in angle-irons K, secured to the end of the ribs, and the bolts being threaded in nuts j in blocks I. By these means the silk may be tightened up longitudinally.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination of the reel-frame, the silk D of a sifting or bolting reel, and the corrugated hoop E, to which the silk is secured, whereby it is corrugated, substantially as herein described.

2. In a sifting or bolting reel, the ribs G, corrugated hoops E, and corrugated silk I), secured to the hoops, in combination with the blocks I on the ribs, having nuts j, the angle irons K, and the bolts J, whereby the silk is longitudinally tightened, substantially as herein described.

3. In a sifting or bolting reel, the corrugated hoops E, in combination with the silk D over the hoops, the plain hoops G, and the intervening blocks, H, by which the silk is pressed down upon the hoops E, whereby it is corrugated, substantially as herein described.

4. In a sifting or bolting reel, the spaced corrugated hoops E F, supported by the ribs of the reel, in combination with the silk D, secured between the hoops E F, whereby it is corrugated, substantially as herein described.

5. Aflour-bolt reel or sieve, comprising the shaft B, radial arms b, ribs 0, corrugated hoops E, and silk D, secured to and upon the hoops and corrugated as shown, substantially as herein described.

In witness whereof I have hereunto set my 15 hand.

FRANCIS FERRIER. Witnesses:

J osnrn CoMBs, PATRICK TILLEN. 

